1. to accept placing space panels Sun 2. The heat or energy, there is limited time 3. There must be a cumulative store of energy 4. Still very expensive today.
One. Needs space to place the solar panel. 2. taking heat energy or time constraints. 3. requires a source of energy storage. 4. Also very expensive nowadays.
1. Need space to be released. The sun 2. Providing heat or energy have limited time 3. Have sources of energy storage 4.? There are very expensive nowadays